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Cheap flights from the United Kingdom to Belgium from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Belgium departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Belgium

Recent return flight deals from the United Kingdom to Belgium

Enter your travel dates to find the best prices.
Ryanair Logo
09:15 - 11:40
MAN
-
CRL
1h 25mdirect
Ryanair Logo
21:20 - 21:45
CRL
-
MAN
1h 25mdirect
£38Ryanair
Thu, 12 Mar - Thu, 12 Mar
Ryanair Logo
19:40 - 22:05
MAN
-
CRL
1h 25mdirect
Ryanair Logo
09:05 - 09:30
CRL
-
MAN
1h 25mdirect
£39Ryanair
Sun, 1 Mar - Tue, 31 Mar
British Airways Logo
13:10 - 15:25
LHR
-
BRU
1h 15mdirect
British Airways Logo
15:00 - 15:15
BRU
-
LHR
1h 15mdirect
£99British Airways
Sat, 28 Feb - Mon, 2 Mar
British Airways Logo
18:45 - 21:00
LHR
-
BRU
1h 15mdirect
British Airways Logo
21:45 - 21:55
BRU
-
LHR
1h 10mdirect
£99British Airways
Tue, 17 Mar - Tue, 24 Mar
Brussels Airlines Logo
06:50 - 08:55
LHR
-
BRU
1h 05mdirect
Brussels Airlines Logo
09:40 - 10:05
BRU
-
LHR
1h 25mdirect
£100Brussels Airlines
Fri, 6 Mar - Sun, 8 Mar
Brussels Airlines Logo
06:50 - 08:55
LHR
-
BRU
1h 05mdirect
Brussels Airlines Logo
21:10 - 21:20
BRU
-
LHR
1h 10mdirect
£104Brussels Airlines
Mon, 2 Mar - Mon, 16 Mar
Lufthansa Logo
09:55 - 17:30
LCY
-
BRU
6h 35m
1 stop
Lufthansa Logo
14:25 - 17:40
BRU
-
LCY
4h 15m
1 stop
£182Lufthansa
Fri, 13 Mar - Mon, 16 Mar
Lufthansa Logo
09:55 - 20:40
LCY
-
BRU
9h 45m
1 stop
Lufthansa Logo
14:25 - 17:35
BRU
-
LCY
4h 10m
1 stop
£189Lufthansa
Fri, 20 Feb - Wed, 25 Feb
KLM Logo
17:50 - 22:15
LCY
-
BRU
3h 25m
1 stop
KLM Logo
06:20 - 08:50
BRU
-
LCY
3h 30m
1 stop
£194KLM
Thu, 14 May - Mon, 18 May
KLM Logo
09:20 - 14:40
LCY
-
BRU
4h 20m
1 stop
KLM Logo
15:10 - 18:30
BRU
-
LCY
4h 20m
1 stop
£196KLM
Thu, 4 Jun - Sun, 7 Jun

Lufthansa flights from United Kingdom to Belgium

Our best Lufthansa deals on United Kingdom to Belgium flight tickets
Lufthansa
13 Mar
LCY09:55London City
6h 35m
1 stop
BRU17:30Brussels Bruxelles-National
16 Mar
BRU14:25Brussels Bruxelles-National
4h 15m
1 stop
LCY17:40London City
£182
Lufthansa
9 Feb
LCY09:50London City
6h 40m
1 stop
BRU17:30Brussels Bruxelles-National
10 Feb
BRU14:25Brussels Bruxelles-National
4h 15m
1 stop
LCY17:40London City
£284

KLM flights from United Kingdom to Belgium

Our best KLM deals on United Kingdom to Belgium flight tickets
KLM
14 May
LCY17:50London City
3h 25m
1 stop
BRU22:15Brussels Bruxelles-National
18 May
BRU06:20Brussels Bruxelles-National
3h 30m
1 stop
LCY08:50London City
£194
KLM
13 Feb
LCY08:40London City
4h 35m
1 stop
BRU14:15Brussels Bruxelles-National
15 Feb
BRU14:45Brussels Bruxelles-National
3h 35m
1 stop
LCY17:20London City
£233

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Belgium that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Thu 12/3

09:15-11:40

Nonstop1h 25m

Charleroi Brussels

Thu 12/3

21:20-21:45

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Sun 1/3

19:40-22:05

Nonstop1h 25m

Charleroi Brussels

Tue 31/3

09:05-09:30

Nonstop1h 25m

£39

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 28/2

13:10-15:25

Nonstop1h 15m

Brussels Bruxelles-National

Mon 2/3

15:00-15:15

Nonstop1h 15m

£99

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 17/3

18:45-21:00

Nonstop1h 15m

Brussels Bruxelles-National

Tue 24/3

21:45-21:55

Nonstop1h 10m

£99

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 6/3

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Sun 8/3

09:40-10:05

Nonstop1h 25m

£100

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Mon 2/3

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Mon 16/3

21:10-21:20

Nonstop1h 10m

£104

LondonBrussels

LCY - BRU

LCYBRU

London City

Fri 13/3

09:55-17:30

1 stop6h 35m

Brussels Bruxelles-National

Mon 16/3

14:25-17:40

1 stop4h 15m

£182

LondonBrussels

LCY - BRU

LCYBRU

London City

Fri 20/2

09:55-20:40

1 stop9h 45m

Brussels Bruxelles-National

Wed 25/2

14:25-17:35

1 stop4h 10m

£189

LondonBrussels

LCY - BRU

LCYBRU

London City

Thu 14/5

17:50-22:15

1 stop3h 25m

Brussels Bruxelles-National

Mon 18/5

06:20-08:50

1 stop3h 30m

£194

LondonBrussels

LCY - BRU

LCYBRU

London City

Thu 4/6

09:20-14:40

1 stop4h 20m

Brussels Bruxelles-National

Sun 7/6

15:10-18:30

1 stop4h 20m

£196

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belgium from

How to get the cheapest flight ticket from United Kingdom to Belgium

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belgium?

The month of January is, on average, the cheapest month to fly to Belgium from United Kingdom, with most prices found around £107. If you aren’t able to travel during the month of January, then book flights to Belgium from United Kingdom during February instead. Flights to Belgium in February, while not as cheap as those in January, still average around £108.

What is the cheapest day to depart on your flight to Belgium?

The cheapest day to depart from United Kingdom to Belgium is on a Friday when prices can be found for as low as £422. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Tuesday is £457.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is at midday. Flights from United Kingdom to Belgium during this time can be as low as £116. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £455 on average. Flights to Belgium from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United Kingdom to Belgium flight route?

Fly from Newcastle upon Tyne to Charleroi Brussels for the best United Kingdom - Belgium flight prices

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from United Kingdom for as low as £97 on momondo.

What cabin class options are available on United Kingdom to Belgium flights?

There are 3 cabin classes available to choose from on United Kingdom to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Belgium flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Belgium.

Cheap United Kingdom to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Belgium

Best price found

£29

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Belgium

32 airports
The best one-way flight to Belgium from United Kingdom in the past 72 hours is £29. The best return flight deal from United Kingdom to Belgium found on momondo in the last 72 hours is £43.
The fastest flight from United Kingdom to Belgium takes 1h 10m
Direct flights go from United Kingdom to Belgium every day.
There are 32 airports in Belgium. From United Kingdom there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Belgium?

    Prices for flights from United Kingdom to Belgium are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Belgium?

  • How old do you have to be to fly from United Kingdom to Belgium?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The required travel and health documents for your Belgium trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Belgium?

Best airlines flying from United Kingdom to Belgium

Compare and see reviews for airlines that fly from United Kingdom to Belgium with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £17Free CancellationRating
6.4
125 reviews
Search Ryanair flights
RyanairPriceFrom £26Free CancellationRating
6.9
5,257 reviews
Search Ryanair flights
KLMPriceFrom £72Free CancellationRating
7.7
1,448 reviews
Search KLM flights
British AirwaysPriceFrom £85Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
Brussels AirlinesPriceFrom £93Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
LufthansaPriceFrom £171Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Belgium?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Belgium for you.

Can I find flights from United Kingdom to Belgium with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belgium from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Belgium?

momondo helps you find the best flight between United Kingdom and Belgium by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from United Kingdom to Belgium right now. Can momondo alert me if prices change?

Price alerts on flights to Belgium from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belgium trip

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